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STD-4377 levelling additive

Introduction to STD-4377 Leveling AdditiveSTD-4377 is a high-performance leveling additive desi

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Introduction to STD-4377 Leveling Additive

STD-4377 is a high-performance leveling additive designed to enhance surface uniformity in coating formulations. It is widely used in industrial and decorative applications to minimize defects such as craters, orange peel, and uneven gloss. Below is a detailed overview of its properties, applications, and performance characteristics.

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1. Key Properties

PropertySpécification
Chemical TypePolymeric surfactant
ApparenceClear to slightly yellow liquid
Density (20°C)1.02–1.08 g/cm³
SolubilitéCompatible with most solvents
Recommended Dosage0.1–1.0% of total formulation weight
CompatibilitySuitable for solvent-/water-based systems

2. Functional Benefits

BenefitDescription
Improved FlowReduces surface tension for even film formation
Defect ReductionEliminates pinholes, craters, and foam
Substrate WettingEnhances adhesion on difficult surfaces (e.g., plastics, metals)
Gloss UniformityEnsures consistent gloss levels across the coated surface
StabilitéResists phase separation in formulations

3. Typical Applications

IndustryUse Case
AutomotiveClearcoats, basecoats
Industrial CoatingsMachinery, metal protection
Wood FinishesFurniture, flooring
PackagingCan coatings, printed substrates

4. Performance Comparison

ParameterSTD-4377 vs. Conventional Additives
Leveling Efficiency30% faster flow-out
Defect CoverageSuperior crater prevention
CompatibilityBroader solvent/resin compatibility
Thermal StabilityStable up to 200°C

5. Handling & Safety

AspectGuideline
StorageKeep in sealed containers at 5–30°C
Shelf Life24 months under recommended conditions
SafetyUse PPE; avoid direct contact (irritant to eyes/skin)

Conclusion

STD-4377 leveling additive offers a balanced combination of performance, versatility, and ease of integration into diverse coating systems. Its ability to address common surface imperfections makes it a preferred choice for formulators seeking reliable results.

Disclaimer: Le contenu ci-dessus est destiné à des fins de référence et de communication uniquement entre les initiés de l'industrie, et ne garantit pas son exactitude ou son exhaustivité. Conformément aux lois et règlements pertinents et aux règlements de ce site Web, les unités ou personnes qui achètent des articles connexes doivent obtenir des qualifications et des conditions de qualification valides.


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